Home / 1,745.17-2,405.53-1,185.46

Finding the Fourth Proportional to 1,745.17, 2,405.53 and 1,185.46

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Solution

The fourth proportional to 1,745.17, 2,405.53 and 1,185.46 is: 1,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.17 : 2,405.53 = 1,185.46 : x
  2. Step 2: Convert to fraction form
    1,745.17/2,405.53 = 1,185.46/x
  3. Step 3: Cross multiply
    1,745.17x = 2,405.53 × 1,185.46
  4. Step 4: Simplify right side
    1,745.17x = 2,851,655.06
  5. Step 5: Solve for x
    x = 2,851,655.06/1,745.17
  6. Step 6: Final answer
    x = 1,634.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.